30949201 has 2 divisors, whose sum is σ = 30949202. Its totient is φ = 30949200.

The previous prime is 30949189. The next prime is 30949211. The reversal of 30949201 is 10294903.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19793601 + 11155600 = 4449^2 + 3340^2 .

It is a cyclic number.

It is not a de Polignac number, because 30949201 - 2⁵ = 30949169 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30949201.

It is not a weakly prime, because it can be changed into another prime (30949211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15474600 + 15474601.

It is an arithmetic number, because the mean of its divisors is an integer number (15474601).

Almost surely, 2^30949201 is an apocalyptic number.

It is an amenable number.

30949201 is a deficient number, since it is larger than the sum of its proper divisors (1).

30949201 is an equidigital number, since it uses as much as digits as its factorization.

30949201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 30949201 is about 5563.2006075640. The cubic root of 30949201 is about 313.9663811086.

The spelling of 30949201 in words is "thirty million, nine hundred forty-nine thousand, two hundred one".